Each puzzle consists of a 16x16 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 16 appear exactl
The puzzle a 16 x 16 grid made up of 4 x 4 subgrids (called "regions"). Some cells already contain numbers, known as "givens". The goal is to fill in the empty
When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become
Each puzzle consists of a 16x16 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 16 appear exactl
Each puzzle consists of a 16x16 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 16 appear exactl